package com.cos.shop.services;

import com.cos.shop.entity.User;

/**
 * @author: COS
 * @time: 2022/2/23 14:36
 * @description:
 */
public interface UserServices {

    User checkUserName(String username);

    boolean reg(User u);

    String active(String e, String c);

    User login(String username, String password);
}
